AT 1630C, DUTY ROC WATCH OFFICER, REPORTED THE FOLLOWING: WHILE TRAVELING EAST FROM WHITE 3 IN THE VICINITY OF GRID 38SMB413798, A FRIENDLY CF C/S CONSISTING OF 5 HUMVEES APPROACHED OUR REAR VEHICLE. THEY SIGNALED FOR US TO MOVE OVER TO THE RIGHT ENABLING THEM TO PASS, WHICH WE DID, AS THE LAST FRIENDLY CF C/S WAS PARALLEL WITH OUR LAST VEHICLE THE TOP GUNNER TOOK AIM WITH HIS M4 AND FIRED 1 ROUND AT THE DRIVERS SIDE FRONT TIRE, THE DISCHARGED ROUND MISSED THE VEHICLE AND THE FRIENDLY CF C/S CARRIED ON WITH THEIR TASK AND WAS SEEN TO ENTER THE IP STATION IN DAURA 200 M EAST OF THE MAIN ENTRANCE TO THE PLANT. WE CONTINUED WITH OUR MISSION AND RETURNED TO THE DAURA PLANT LOCATION. I THEN CHECKED OUR VEHICLES AND CONFIRMED THAT THERE WAS NO DAMAGE SUSTAINED. THE INCIDENT WAS THEN REPORTED TO THE DAURA SOC WHO IN TURN INFORMED THE MILITARY UNIT AT DAURA. AGI INFORMED THE SOC ON RETURN TO BASE.